Example: isdigit

The following example checks if the values of 55 and 109 are digits.

if (isdigit(55)) lr_output_message("The value 55 is the digit %c", 55); else lr_output_message("Value 55 is not a digit. It's the character %c.", 55); if (isdigit(109)) lr_output_message("The value 109 is the digit %c", 109); else lr_output_message("Value 109 is not a digit. It's the character %c.", 109);

Output:Action.c(4): The value 55 is the digit 7Action.c(11): Value 109 is not a digit. It's the character m.